Patents by Inventor Denis M. Stack

Denis M. Stack has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4850483
    Abstract: A golf accessory holder for golf balls, tees and the like is formed of an elastomeric thermoplastic rubber. The holder provides a cylindrical opening for at least two golf balls, an upper reinforcing rim with provision for tees and an external reinforcing spine with provision for tees.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: July 25, 1989
    Inventor: Denis M. Stack
  • Patent number: D306375
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: March 6, 1990
    Inventor: Denis M. Stack
  • Patent number: D332575
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: January 19, 1993
    Assignee: Leviton Manufacturing Corporation
    Inventors: John M. Redfield, David M. Rollins, Clay A. Stocklin, Wayne R. Fukahara, Denis M. Stack